<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>bootstrap的字体组件</title>
  <script src="../bootstrap-3.4.1-dist/js/jquery-3.6.0.min.js"></script>
  <script src="../bootstrap-3.4.1-dist/js/bootstrap.min.js"></script>
  <script src="../font-awesome-4.7.0/js/all.min.js"></script>
  <link rel="stylesheet" href="../bootstrap-3.4.1-dist/css/bootstrap.min.css">
  <style>
    #t1 {
      font-size: 50px;
      color: red;
    }
  </style>
</head>
<body>
  <nav class="navbar navbar-inverse" role="navigation">
    <div class="container-fluid">
      <!-- Brand and toggle get grouped for better mobile display -->
      <div class="navbar-header">
        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
          <span class="sr-only">Toggle navigation</span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
        </button>
        <a class="navbar-brand" href="#">欢迎光临23物联网</a>
      </div>
  
      <!-- Collect the nav links, forms, and other content for toggling -->
      <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
        <ul class="nav navbar-nav">
          <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
          <li><a href="#">Link</a></li>
          <li><a href="#">Link</a></li>
          <li><a href="#">Link</a></li>
          <li><a href="#">Link</a></li>
          <li><a href="#">Link</a></li>
        </ul>
        <ul class="nav navbar-nav navbar-right">
          <li><a href="#">Link</a></li>
          <li> 
              <form class="navbar-form navbar-left">
                <div class="form-group">
                  <input type="text" class="form-control" placeholder="Search">
                </div>
                <button type="submit" class="btn btn-default">Submit</button>
              </form>
          </li>
          </ul>
        </div><!-- /.navbar-collapse -->
      </div><!-- /.container-fluid -->
    </div>
  </nav>
  <div class="container">
    <span class="glyphicon glyphicon-print" id="t1"></span>
    <span class="glyphicon glyphicon-print" id="t1"></span>
  </div>   

  <div class="container">
    <div class="dropdown">
      <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
        Dropdown
        <span class="caret"></span>
      </button>
      <ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
        <li><a href="#">Action</a></li>
        <li><a href="#">Another action</a></li>
        <li><a href="#">Something else here</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">Separated link</a></li>
      </ul>
    </div>
    <br>
    <div class="btn-toolbar" role="toolbar" aria-label="...">
      <div class="btn-group" role="group" aria-label="...">
        <button type="button" class="btn btn-default">上一页</button>
        <button type="button" class="btn btn-default">1</button>
        <button type="button" class="btn btn-default">2</button>
        <button type="button" class="btn btn-default">3</button>
        <button type="button" class="btn btn-default">4</button>
        <button type="button" class="btn btn-default">5</button>
        <button type="button" class="btn btn-default">下一页</button>
      </div>
    </div>
    <br>
    <div class="input-group">
      <span class="input-group-addon" id="basic-addon3">https://www.ztu.edu.cn/</span>
      <input type="text" class="form-control" id="basic-url" aria-describedby="basic-addon3">
    </div>
    <br>
    <div class="input-group">
      <input type="text" class="form-control" placeholder="输入用户名">
      <span class="input-group-btn">
        <button class="btn btn-default" type="button">
          <i class="glyphicon-search glyphicon"></i>
        </button>
      </span>
    </div><!-- /input-group -->
  </div>
</body>
</html>